因式分解(3a^5-4a^4-5a^3)÷-5a^3

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因式分解(3a^5-4a^4-5a^3)÷-5a^3因式分解(3a^5-4a^4-5a^3)÷-5a^3因式分解(3a^5-4a^4-5a^3)÷-5a^3(3a^5-4a^4-5a^3)÷-5a^3

因式分解(3a^5-4a^4-5a^3)÷-5a^3
因式分解(3a^5-4a^4-5a^3)÷-5a^3

因式分解(3a^5-4a^4-5a^3)÷-5a^3
(3a^5-4a^4-5a^3)÷-5a^3
=a³(3a²-4a-5)÷(-5a³)
=(-1/5)(3a²-4a-5)
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